PHP实现微信的时间显示方式

喜欢ヅ旅行 2022-09-26 04:58 144阅读 0赞

/**
         * 微信展示时间的方法
         * @param $addTime
         * @return string
         */
        public static function getChatTimeStr($addTime) {
            $nowTime = time();
    
            if($addTime > $nowTime) {
                return "";
            }
    
            //返回的时间
            $timeStr = "";
            //获取当前时间
            $addTime = explode(',', date('Y,n,j,w,a,h,i,y', $addTime));//年，月，日，星期，上下午，时，分
            $nowTime = explode(',', date('Y,n,j,w,a,h,i,y', $nowTime));
    
            $dayPerMonthAddTime = self::getDayPerMonth($addTime[0]);
            $week = array(0=>"星期日",1=>"星期一",2=>"星期二",3=>"星期三",4=>"星期四",5=>"星期五",6=>"星期六");
            //如果时间差小于一天的,显示（上午 时间） / （下午 时间）
            if($addTime[0] == $nowTime[0] && $addTime[1] == $nowTime[1] && $addTime[2] == $nowTime[2]) {
                $timeStr .= $addTime[5] . ":" . $addTime[6];
            } else if(($addTime[0] == $nowTime[0] && $addTime[1] == $nowTime[1] && $addTime[2] == $nowTime[2]-1)
                || ($addTime[0] == $nowTime[0] && $nowTime[1]-$addTime[1] == 1 && $dayPerMonthAddTime[$addTime[1]] == $addTime[2] && $nowTime[2] == 1)
                || ($nowTime[0]-$addTime[0] == 1 && $addTime[1] == 12 && $addTime[2] == 31 && $nowTime[1] == 1 && $nowTime[2] == 1)) { //如果时间差在昨天,三种情况（同一月份内跨一天、月末跨越到月初、年末跨越到年初）显示格式：昨天 时:分 上午/下午
                $timeStr .= "昨天 " . $addTime[5] . ":" . $addTime[6] . " ";
            } else if(($addTime[0] == $nowTime[0] && $addTime[1] == $nowTime[1] && $nowTime[2] - $addTime[2] < 7)
                || ($addTime[0] == $nowTime[0] && $nowTime[1]-$addTime[1] == 1 && $dayPerMonthAddTime[$addTime[1]]-$addTime[2]+$nowTime[2] < 7
                    || ($nowTime[0]-$addTime[0] == 1 && $addTime[1] == 12 && $nowTime[1] == 1 && 31-$addTime[2]+$nowTime[2] < 7))) { //如果时间差在一个星期之内的,也是三种情况，显示格式：星期 时:分 上午/下午
    
                $timeStr .= $week[$addTime[3]] . " " . $addTime[5] . ":" . $addTime[6];
            } else { //显示格式：月/日/年 时:分 上午/下午
                $timeStr .= $addTime[1] . "/" . $addTime[2] . "/" . $addTime[7] . " " . $addTime[5] . ":" . $addTime[6];
            }
    
            if($addTime[4] == "am") {
                $timeStr .= " 上午";
            } else if($addTime[4] == "pm") {
                $timeStr .= " 下午";
            }
    
            return $timeStr;
    
        }
    
        //根据年份获取每个月份的总天数和每年最后一个月的天数
        public static function getDayPerMonth($year) {
            $arr = array(
                1 => 31,
                3 => 31,
                4 => 30,
                5 => 31,
                6 => 30,
                7 => 31,
                8 => 31,
                9 => 30,
                10 => 31,
                11 => 30,
                12 => 31
            );
            //闰年
            if(($year%4==0&&$year%100!=0) || ($year%400==0)) {
                $arr[2] = 29;
            } else {
                $arr[2] = 28;
            }
            return $arr;
        }